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<h1 id="-javascript">高性能JavaScript</h1>
<h1 id="-1-">第1章：加载和执行</h1>
<ol>
<li>脚本位置</li><li>阻止脚本</li><li>无阻塞的脚本<ul>
<li>延迟的脚本</li><li>动态脚本元素</li><li><code>XMLHTTPRequest</code>脚本注入</li><li>推荐的无阻塞模式</li></ul>
</li><li>小结 </li></ol>
<h1 id="-2-">第2章：数据存取</h1>
<ol>
<li>管理作用域<ul>
<li>作用域链和标识符解析</li><li>标识符解析的性能</li><li>改变作用域链</li><li>动态作用域</li><li>闭包、作用域和内存</li></ul>
</li><li>对象成员<ul>
<li>原型</li><li>原型链</li><li>嵌套成员</li><li>缓存对象成员值</li></ul>
</li></ol>
<h1 id="-3-dom-">第3章：DOM编程</h1>
<ol>
<li>浏览器中的DOM<ul>
<li>天生就慢</li></ul>
</li><li>DOM访问与修改<ul>
<li><code>innerHTML</code>对比DOM方法</li><li>节点克隆</li><li>HTML集合</li><li>遍历DOM</li></ul>
</li><li>重绘与重排<ul>
<li>重排何时发生</li><li>渲染树变化的排队与刷新</li><li>最小化重绘与重排</li><li>缓存布局信息</li><li>让元素脱离动画流</li><li>IE和<code>:hover</code></li></ul>
</li><li>事件委托</li><li>小结</li></ol>
<h1 id="-4-">第4章：算法与流程控制</h1>
<ol>
<li>循环<ul>
<li>循环类型</li><li>循环性能</li><li>基于函数的迭代</li></ul>
</li><li>条件语句<ul>
<li><code>if-else</code>对比<code>switch</code></li><li>优化<code>if-else</code></li><li>查找表</li></ul>
</li><li>递归<ul>
<li>调用栈限制</li><li>递归模式</li><li>迭代</li><li><code>Memoizaton</code></li></ul>
</li><li>小结</li></ol>
<h1 id="-5-">第5章：字符串和正则表达式</h1>
<ol>
<li>字符串连接<ul>
<li>加<code>+</code>和加等<code>+=</code>操作符</li><li>数组项合并</li><li><code>String.prototype.concat</code></li></ul>
</li><li>正则表达式优化<ul>
<li>正则表达式工作原理</li><li>理解回溯</li><li>回溯失控</li><li>基准测试的说明</li><li>更多提高正则表达式效率的方法</li><li>何时不用正则表达式 </li></ul>
</li><li>去除字符串首尾空白<ul>
<li>使用正则表达式去除首尾空白</li><li>不使用正则表达式去除首尾空白</li><li>混合解决方案</li></ul>
</li><li>小结</li></ol>
<h1 id="-6-">第6章：快速响应的用户界面</h1>
<ol>
<li>浏览器UI线程<ul>
<li>浏览器限制</li><li>多久才算太久 </li></ul>
</li><li>使用定时器让出时间片段<ul>
<li>定时器基础</li><li>定时器精度</li><li>使用定时器处理数组</li><li>分割任务</li><li>定时器与性能</li></ul>
</li><li>Web Workers<ul>
<li>Worder运行环境</li><li>与Worker通信</li><li>加载外部文件</li><li>实际应用</li></ul>
</li></ol>
<h1 id="-7-ajax">第7章：Ajax</h1>
<ol>
<li>数据传输<ul>
<li>请求数据</li><li>发送数据</li></ul>
</li><li>数据格式<ul>
<li>XML</li><li>JSON</li><li>HTML</li><li>自定义格式</li><li>数据格式总结</li></ul>
</li><li><p>Ajax性能指南</p>
<ul>
<li>缓存数据</li><li>了解Ajax类库的局限</li></ul>
</li><li><p>小结</p>
</li></ol>
<h1 id="-8-">第8章：编程实践</h1>
<ol>
<li>避免双重求值</li><li>使用<code>Object/Array</code>直接量</li><li>避免重复工作<ul>
<li>延迟加载</li><li>条件预加载</li></ul>
</li><li>使用速度快的部分<ul>
<li>位操作</li><li>原生方法</li></ul>
</li><li>小结</li></ol>
<h1 id="-9-javascript-">第9章：构建并部署高性能JavaScript应用</h1>
<ol>
<li><code>Apache Ant</code></li><li>合并多个JS文件</li><li>预处理JS文件</li><li>JS压缩</li><li>构建时处理与运行时处理的对比</li><li>JS的HTTP压缩</li><li>缓存JS文件</li><li>处理缓存问题</li><li>使用内容分发网络（CDN）</li><li>部署JS资源</li><li>敏捷JS构建过程</li><li>小结</li></ol>
<h1 id="-10-">第10章：工具</h1>
<ol>
<li>JS性能分析</li><li>YUI Profiler</li><li>匿名函数</li><li>Firebug<ul>
<li>控制台面板分析工具</li><li>Console API</li><li>网络面板</li></ul>
</li><li>IE开发人员工具</li><li>Safari Web检查器（Web Inspector）<ul>
<li>分析面板</li><li>资源面板</li></ul>
</li><li>Chrome开发人员工具</li><li>脚本阻塞</li><li>Page Speed</li><li>Fiddler</li><li>YSlow</li><li>dynaTrace Ajax Edition</li><li>小结</li></ol>

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